Bottle stopper



0. CARLSON.

BOTTLE STOPPER. APPLICATION FILED 06].18, i919.

- Patented Aug. 8

oscAafc nLsoN, or nos'ron, MASSACHUSETTS.

BOTTLE STOPPER.

Application filed :October 18, 1919.

of that type adapted to the clamped to :the

exterior of the neck of .a bottle and has .for its object to provide .a novel :bottle stopper which is constructed so that it can be applied --equally well to bottles of diiierent sizes .and shapes and which is provided with novel means for =clamping the stopper to the neck of the bottle.

In order to give an understanding of my invention, I have illustrated in the drawings a selected embodiment thereof which will now be described, after which the novel features will be pointedout in the appended claims.

In the drawings, Fig. 1 is ;a side view of the .neck ott a bottle having my improved stopper applied thereto;

Fig. 2 is an enlarged vertical section through the bottle neck with the stopper applied taken on substantially the line 2-2, Figs. 1 and 3;

Fig. 3 is an underside view of the bottle stopper shown in Fig. 2 with the bottle removed;

Fig. 4. is a view similar to Fig. 2 taken on the line ll, Fig. 3;

Fig. 5 shows the parts of the bottle stopper when it is being applied to the bottle;

Fig. 6 is a section on the line 66, Fig. 3;

Fig. 7 is a view similar to Fig. 3 showing the clamping member unclamped;

Fig. 8 is a side View of the seat member removed;

Fig. 9 is a section on the line 9-9, Fig. 2.

My improved bottle stopper comprises a seat member to rest against the end of the bottle neck and provided with spring fingers to engage the bead at said neck, and a clamping member to encircle the fingers and adapted by its turning movement to clamp the fingers firmly against and under the bead.

I have shown at 1 the neck of a bottle Specifi oation of Letters Ritcnt.

Patented Aug. 8, 1922.

Serial :No. 331,667. i

to which my bottle stopper is to be applied, said bottle neck -1 having the usual bead 2 at itsend.

The seat memberof my improved bottle stopper .is indicated generally at 3' and :it

comprises .a body portionto :rest against theend of thebottle neck, and a plurality oi spring ifingers 4 adapted to embraoe the 'bead 2 of the bottle nec'k. preferably has associated therewitlra washer I5 ofsome suitable packing material which makes-a tight joint with :the end .o f the bottle neck. The resilient fingers 4t extend below the seat member 3 and are formed at their lower :end with ibead engaging portions adapted to fit underneath the :bead 2, and in order to give these fingers 4 suificient resiliency, 'I propose to :make them with the The seat member 3 v reverse or U-shaped bend -6 so that each I finger extends upwardly from the seat memher and then is bent back on itself and extends down below the seat member and ter- Inmates in the =beadsengaging .portion 5. The seat member is also ,pre-ferably formed centrally with the stem portion 7.

The clamping [member is indicated at 8 and is .an annular member which surrounds the fingers 4. This clamping *memberis in .the form of a cap and the central portion thereof is bent inward-1y, as shown at9, and is provided with an aperture 10 through which the stem 7 projects, the outer end of the stem preferably being enlarged, as shown at 11, so as to prevent the two parts of the bottle stopper from becoming separated. The clamping member is thus free to slide up and down on the stem. Said clamping member is capable of turning relative to the seat member and has -formed in its side a plurality of cam portions 12 which are adapted to engage the fingers 4 and clamp them firmly against and underneath the bead 2 as the clamping member is turned.

When the bottle cap is to be applied to a bottle the clamping member will be turned into the position shown in Fig. 7 so that the fingers are situated between the cam thereby bringing the cam portions 12 against the. fingers and clamping the fingers firmly against and beneath the bead 2, as shown in,

Figs. 2 and 6. The cam-membersareshaped a to engage the fingers opposite the bead-engaging portions 5 thereof so that the action of the cam comes on the portion of the fingers situated beneath the head 2. The bottlestopper Will thus be firmly clamped to the bottle, and this same action will take place even though the size of the bottle and the shape of the bead vary somewhat because 7 the resiliency ofthe fingers 4 Will permit them to be applied to bottles of different sizes, and-the'cams are of sufficient'extent so -that they will act to clamp the fingers tightly to bottles Whichv'ary in size somenecks it may be desirable to first push. the

seat member downwardly relative-to the clamping-member, as shown in Fig. 6,=thus to give the fingers 1- greater freedom of movement to snap over the head of the bottle, -and after the seat member has been brought against the neokof the bottle,then the clamping member may be pushed down- Wardly into theposition shown in Fig; 4

and turned to clampthe fingers to'the neck 'ofthe bottle, as shown in Figs. 2' and '6.

I'hjave above referred to my device as a bottle stopper-because I have shown' ituas used for stopping or closing a bottle, but so" far a's'the invention is concerned it is equally Well adapted foruse in stopping or closing other receptacles than bottles, such, for instance, as ,cans, tanks which have a neck provided With a bead, automobile radiators oraany other similar article. Therefore, although I have used the term bottle stopper in the claims and specification, I do not Wish to be limited to the use of the invention as a bottle stopper. q x Y I claim: I I i 1'. Inflabottlestopper, the combination With a seat member to rest on the end of a bottle neck and having integral therewith a plurality of spring fingers to engage the bead of said bottle neck, and also having a headed stem extending therefrom, of a clamping member SWlVellGd on said stem and capable of moving longitudinally thereof Without turning thereabout, saidclamping member being provided with cam portions which are brought, by the movement of said clamping member longitudinally of the stem, into a position to engage the fingers below the bead, turning movement of the clamping member causing the cam portions to clamp the fingers about the bead.

2. In 'a' bottle stopper, the combination with a seat member to rest on theend of a clin said fin ers and bein rovided With a: o, n l

cam portions, which 'arebrought by the movement of said clamping member l0ngitudinally of the stem into position to act on the fingers beneath thebeadas the clamping member is turned. a

In testimony ivhereo'f Ihave signed my name to thl s'specification Y OSCAR CARLSON. 

